An image made with the gift box camera.

Porphyrography – no darkroom required

Writer and photography / James Tanguay Porphyrography is a long exposure dry plate process that uses a lensed camera and novel iron-based chemistry to make direct positive transparent images on glass plates. Porphyrography is often attractive to students because of its relatively simple technique and its use of inexpensive chemicals. Perhaps its most appealing aspect, however, is that it does not require a darkroom. The light-sensitive iron salt used in … Read more